[evolution-data-server] EDataBookView: Prefer g_clear_object() in dispose().

[Matthew Barnes <mbarnes src gnome org>]

commit 9fbbfa92d64d89d5777853dae910c484bb2a873d
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Mar 26 13:42:43 2013 -0400

    EDataBookView: Prefer g_clear_object() in dispose().

 addressbook/libedata-book/e-data-book-view.c |   17 +++--------------
 1 files changed, 3 insertions(+), 14 deletions(-)
---
diff --git a/addressbook/libedata-book/e-data-book-view.c b/addressbook/libedata-book/e-data-book-view.c
index 3d8ec56..d6ca6f3 100644
--- a/addressbook/libedata-book/e-data-book-view.c
+++ b/addressbook/libedata-book/e-data-book-view.c
@@ -464,20 +464,9 @@ data_book_view_dispose (GObject *object)
 
        priv = E_DATA_BOOK_VIEW_GET_PRIVATE (object);
 
-       if (priv->connection != NULL) {
-               g_object_unref (priv->connection);
-               priv->connection = NULL;
-       }
-
-       if (priv->backend != NULL) {
-               g_object_unref (priv->backend);
-               priv->backend = NULL;
-       }
-
-       if (priv->sexp != NULL) {
-               g_object_unref (priv->sexp);
-               priv->sexp = NULL;
-       }
+       g_clear_object (&priv->connection);
+       g_clear_object (&priv->backend);
+       g_clear_object (&priv->sexp);
 
        g_mutex_lock (&priv->pending_mutex);